The National Weather Service has issued an excessive heat warning for San Diego County deserts and valleys from Monday (Aug. 28) until 10 p.m. Wednesday (Aug. 30). Expected highs: 110-116 degrees in the deserts and 98-106 degrees in the valleys.

A heat advisory has been issued for San Diego County mountain and coastal areas from 10 a.m. Aug. 28 until 10 p.m. Wednesday (Aug. 30). Expected highs: 90s–102 degrees.

The county operates a cool zones program and has designated more than 115 air-conditioned buildings as cooling centers. For a listing of cool zone locations, hours of operation, and tips to beat the heat, visit www.sandiegocounty.gov/hhsa/programs/ais/cool_zones/index.html.

More forecast information and updates are available from National Weather Service.